Question 77907
area=piR^2
AREA=3.14*X^2 INNER CIRCLE AREA
AREA=3.14(X+8)^2
AREA=3.14(X^2+16X+64)
AREA=3.14X^2+50.24X+200.96
SHADED AREA=3.14X^2+50.24X+200.96)-3.14X^2
SHADED AREA=50.24X+200.96
SHADED AREA=50.24(X+4)
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INNER AREA X^2
OUTER SQUARE AREA=(X+11)^2=X^2+22X+121
SHADED AREA=X^2+22X+121-X^2
SHADED AREA=22X+121=11(2X+11)